Question: There is a typographical error in the hypotheses (should be 22) in early printings of the 7th edition; this solution is for the correct hypotheses.

There is a typographical error in the hypotheses (should be 22) in early printings of the 7th edition; this solution is for the correct hypotheses.
Develop a test for the hypotheses
H0 : 1  22
H1 : 1  22
where 12 and 22 are known.

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